From: Ryan Davis <ryand-ruby@...>
Date: 2011-01-16T17:59:40+09:00
Subject: Re: Library Reference : ri :: Language Reference : ?


On Jan 15, 2011, at 11:10 , Kedar Mhaswade wrote:

> ri is cool -- library reference at your fingertips (literally ;))
> 
> Is there a gem that helps me do something similar with language
> reference with syntax and an example or two? For instance,
> 
> $ rubyi
> -> case
> --> multiway decision control structure
> --> example: tax = case income
>                    when ... then ...
>                    when ... then ...
>                    else
>                  end
> 
> -> rescue
> ... etc.

Here is a quick and dirty start:

> #!/usr/bin/ruby -w
> 
> require "open-uri"
> 
> url = "http://www.zenspider.com/Languages/Ruby/QuickRef.html"
> 
> f = URI.parse(url).read.split(/\n\n+/)
> 
> ARGV.each do |arg|
>   puts f.grep(/#{arg}/).join("\n\n").gsub(/<[^>]+?>/, '')
> end